NPPES file of Aug 9, 2026

Lynn Marie Mason Chan, PT

Physical Therapist · Longview, WA

Lynn Marie Mason Chan, PT is a physical therapist with a practice address in Longview, Washington, and NPI 1023004025, issued on Sep 25, 2005. Check the license (Washington PT00003739, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023004025
Name
Lynn Marie Mason Chan
Credential
PT
Primary taxonomy
Physical Therapist 225100000X
License number
PT00003739 WA
Self-reported in NPPES; status is on the state search
Practice location
852 Commerce Ave, Longview, WA 98632
Phone
(360) 501-3750
Enumerated
Sep 25, 2005
Record last updated
Jan 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(360) 501-3755
Medicaid IDs
182150 OR
8340820 WA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest physical therapist records → All 7,493 in Washington → Look up another NPI →

Also registered at 852 Commerce Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Campbell, PTAPhysical Therapy Assistant1831403369
  2. Mauricio Curiel, PT, DPTPhysical Therapist1346079050
  3. Christine Daly, OTOccupational Therapist1780822874
  4. Lori Falkel, P.T.Physical Therapist1134102981
  5. Clayton Gibbons, PTPhysical Therapist1891829388
  6. Roger Karnofski, PTPhysical Therapist1588650584

Verify Lynn Marie Mason Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PT00003739    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Lynn Marie Mason Chan among 7,493 physical therapist records in Washington

Lynn Marie Mason Chan, PT is one of 7,493 physical therapist records with a practice address in Washington. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 97% newer
  • In a Medicare fileNo · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 39% of these records are
  • Record last updated2020 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 physical therapist records list a practice address in Longview

They are 52 of the 1,933 NPPES records with a practice address in Longview, and 7,493 physical therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,493 in Washington → Every provider in Longview → Physical Therapist nationwide →

The 8 physical therapist records with the nearest ZIP codes

  1. Robert Cook, PT, MHSLongview, WA 986321306877592
  2. Natalie East, P.T.Longview, WA 986321720086424
  3. Lori Falkel, P.T.Longview, WA 986321134102981
  4. Suzanne Gerhart, P.T.Longview, WA 986321699773390
  5. Rachel Griebel, P.T.Longview, WA 986321295833895
  6. Daniel Hughes, DPTLongview, WA 986321407942261
  7. Jeanne Humbert, RPTLongview, WA 986321679662787
  8. Roger Karnofski, PTLongview, WA 986321588650584

Common questions

What is Lynn Marie Mason Chan, PT's NPI number?

Lynn Marie Mason Chan, PT's National Provider Identifier (NPI) is 1023004025, issued on Sep 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lynn Marie Mason Chan, PT located?

The NPPES record lists a practice address at 852 Commerce Ave, Longview, WA, 98632. Phone: (360) 501-3750. Providers update this record themselves, so call before visiting.

How can I verify Lynn Marie Mason Chan, PT's license?

NPPES lists Washington license number PT00003739, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.